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The masseter muscle is the chewing muscle covering the angle of the mandible. During bilateral contraction, the muscle elevates the mandible, raising the lower jaw.
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What is the muscle located at the angle of the jaw used for chewing?
masseter
What originates on the zygomatic arch and inserts on the angle of the mandible?
The masseter is the main muscle that shuts or closes the jaw.
Define angle of mandible?
Depends... On a male, 90 degrees. On a female, 120 degrees.
What is angle of pull?
angle of pull is the angle between muscle insertion and the bone on which the muscle inserts
What are the landmark of mandible?
- head or condyle - mandibular notch or condular notch - neck ~just under the condyle - ramus - body - angle - mental foramen - protuberance~ the chin - alveolar processes of the mandible - oblique line
A muscle slanted at an angle?
oblique
What is the term for a muscle slanted at an angle?
Oblique
The term in a muscle name means slanted or at an angle?
oblique
What type of muscle contraction will shorten a muscle and decrease the angle between two bones?
Concentric isometric contraction
What does extension do in relation to muscle movements?
To extend a muscle A MOTION IS MADE TO INCREASE AN ANGLE BETWEEN TWO BONES.
What is the difference between muscle flexing and and muscle extension?
when u flex it, it tightens, when u extend it, it stretches Flexion is when a muscle action decreases the angle at a joint, extension is when the angle increases. A simple example is bicep curl, flexion is when the hand is brought up towards the shoulder, decreasing the angle at the elbow joint. Just because a muscle is performing flexion or extension does not not mean it is contracting or stretching, that is eccentric and concentric movement. A muscle can still be tight when performing extension.
A muscle in which the fibers are arranged at an angle to a central longitudinal tendon has a arrangement?
Pennate.
